Review for Excretory and Nervous Systems



You should know the following:



Excretory System:



The two main functions of all excretory systems.

1. To maintain homeostasis of water and dissolved substances.

2. The removal of nitrogenous wastes.



The functional units of excretion for each of the following organisms, and how they are similar and how they are different:



Planaria Earthworm Man



The structure and function of the nephron



The types of nitrogenous wastes and how they are similar and how they are different.



The composition of the following solutions and how they are similar and different.



Blood plasma nephric filtrate urine



The methods used to regulate the concentration of water and salt in the body.



Nervous System:



Structure and function of the neuron.



How nerve impulses are transmitted.



Types of neurons.



Reflex arcs and how they function.



Parts of the brain and how each part functions. Use your book and handout book for this.





Your handout booklet will come in handy for various parts of this test. Use it.







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